81472664

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111913}}^1$

素因数の和:111939

約数の個数: 32

約数和(自身を含む): 188015520

約数和(自身を除く): 106542856

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 111913, 223826, 447652, 783391, 895304, 1454869, 1566782, 2909738, 3133564, 5819476, 6267128, 10184083, 11638952, 20368166, 40736332, 81472664]

約数ペア:

[(1, 81472664), (2, 40736332), (4, 20368166), (7, 11638952), (8, 10184083), (13, 6267128), (14, 5819476), (26, 3133564), (28, 2909738), (52, 1566782), (56, 1454869), (91, 895304), (104, 783391), (182, 447652), (364, 223826), (728, 111913)]